Patent and Standard

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Our group is the team leader company of jack working team in National Technical Committee 227 on Lifting

Appliance of Standardization Administration of China ( SAC/TC 227 ). Our group drafted a national standard

GB/T27697-2011 for hydraulic bottle jack and three industry standards, JB/T5315-2008 for garage hydraulic

jack, JB/T2592-2008 for screw jack and JB/T2104-2002 for hydraulic jack.


As of the end of June 2016, Tongrun has more than 180 existing patents, including over 10 overseas patepatents, which have covered all felds of hydraulic lifting equipments. A number of inven-nts and 40 invention

tion patents are keeping global leading technology.

US patent certificateChinese patent certificate